Greatest Common Factor of 645, 189, 988

Greatest common factor or Greatest common divisor (GCD) can be calculated in two ways

• Greatest Common Factor of 645, 189, 988 by common division method
• Greatest Common Factor of 645, 189, 988 with matching the biggest common factor

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∴ GCF of numbers is 1 because of no common factors present between them.

Factors of 645

List of positive integer factors of 645 that divides 645 without a remainder.

1,3,5,15,43,129,215,645

Factors of 189

List of positive integer factors of 189 that divides 189 without a remainder.

1,3,7,9,21,27,63,189

Factors of 988

List of positive integer factors of 988 that divides 988 without a remainder.

1,2,4,13,19,26,38,52,76,247,494,988

Greatest Common Factor

We found the factors 645,189,988 . The biggest common factor number is the GCF number.
So the greatest common factor 645,189,988 is 1.

Here are some samples of GCF of two or more Numbers calculations.

• GCF of 573, 316, 587
• GCF of 874, 607, 277
• GCF of 822, 813, 251
• GCF of 257, 128, 441
• GCF of 459, 803, 224

1. What is the GCF of 645, 189, 988?

Answer: GCF of 645, 189, 988 is 1.

2. How to Find the GCF of 645, 189, 988

Answer: Greatest Common Factor(GCF) of 645, 189, 988 = 1

Step 1: Divide all the numbers with common prime numbers having remainder zero.

Step 2: Then multiply all the prime factors GCF(645, 189, 988) = 1.